Color:BlackMaterial:SiliconeShape: Round Flare: Double flare Gauge:8g(3mm),6g(4mm),4g(5mm),2g(6mm),0g(8mm),00g(10mm),1/2"(12mm),9/16"(14mm),5/8"(16mm) Cap Diameter:(approx.)6mm for 8g(3mm),7mm for 6g(4mm),8mm for 4g(5mm),10mm for 2g(6mm) ,12mm for 0g(8mm) ,14mm for 00g(10mm),16mm for 1/2"(12mm),18mm for 9/16"(14mm),20mm for 5/8"(16mm) Height:(approx.)10mm for all size Quantity:9 Pairs